| 摘要 |
PROBLEM TO BE SOLVED: To provide a boiler system capable of reducing vibration and noise occurring according to circulation of drain.SOLUTION: A boiler system 1 includes: a boiler 11; a drain tank 20; a drain recovery line L2 for connecting load equipment 40 and the drain tank 20; a drain recovery valve 23 arranged in the drain recovery line L2; a drain supply line L3 for connecting the drain tank 20 and the boiler 11; an open tank 30 for storing make-up water; a drain escape line L8 for connecting an upstream side of the drain recovery valve 23 in the drain recovery line L2 and the open tank 30; a drain escape valve 81 arranged in the drain escape line L8; a bypass line L9 for connecting the upstream side of the drain recovery valve 23 in the drain recovery line L2 and a downstream side of the drain escape valve 81 in the drain escape line L8; and a flow rate adjustment part 91 for circulating a fluid of a predetermined flow rate in the bypass line L9. |
